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Honour monochrome flag.

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This commit is contained in:
Thomas Harte 2023-12-06 13:15:17 -05:00
parent 0bb74f405f
commit 987a5dbfbf
1 changed files with 3 additions and 1 deletions
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4
Machines/PCCompatible/CGA.hpp
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@ -151,7 +151,9 @@ class CGA {
} else if(!state.display_enable || !(control_&0x08)) { } else if(!state.display_enable || !(control_&0x08)) {
new_state = OutputState::Border; new_state = OutputState::Border;
if(cycles_since_hsync <= 4) { // TODO: I'm pretty sure this isn't correct for colour burst positioning, though
// it happens to fool the particular CRT I've implemented.
if(!(control_&4) && cycles_since_hsync <= 4) {
new_state = OutputState::ColourBurst; new_state = OutputState::ColourBurst;
} }
} else { } else {